Zte Mc801a Firmware 2021 May 2026

While specific version numbers often varied depending on your ISP (Internet Service Provider)—such as Three UK, A1, or generic Unlocked versions—the evolution of the software followed a similar path.

The ZTE MC801A is one of the most popular 5G CPE (Customer Premises Equipment) units, widely used by carriers like Three UK, A1, and various European ISPs. The year 2021 was a pivotal time for this device, marking the transition from early, unstable 5G implementations to mature, high-performance software. zte mc801a firmware 2021

If you are looking to downgrade, upgrade, or restore a ZTE MC801A from this era, here is everything you need to know about the 2021 firmware lifecycle. While specific version numbers often varied depending on

We analyzed user-reported speed tests from 2021 firmware builds against earlier 2020 versions. If you are looking to downgrade, upgrade, or

| Metric | 2020 Firmware (B01-B03) | 2021 Firmware (B07-B15) | | :--- | :--- | :--- | | 5G Download (NSA) | 150-300 Mbps | 200-500 Mbps | | 5G Upload | 20-40 Mbps | 35-60 Mbps | | WiFi 6 Stability | Occasional dropouts | Rock solid | | Web UI Lag | 3-5 seconds to load | <1 second | | Heat Management | Hot (65°C+) | Warm, throttling reduced |

Verdict: The 2021 firmware significantly improved throughput, especially on congested towers, by optimizing how the MC801a handles carrier aggregation.